The actual or preserved remains of the organisms that lived in the ancient past are called:
Correct answer: A. Fossils
- A. Fossils
- B. Impression
- C. Ancient prints
- D. Ancient cast
Explanation
Fossils are the preserved remains, or traces of remains, of ancient organisms. An impression fossil is formed when the plant or animal decays completely but leaves behind an impression of itself.
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About Man and His Environment
Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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